Made of ABS, PC and fireproof plastic shell, with environmental silicone shell. You can use the included micro USB cable and plug it in to your wall plug or you can put the charger in direct sunlight to charge. Geat choice for camping trips or other outdoor activities where outlets are scarce. Allow 2 digital devices simultaneously. Perfect for handing out to those who like to keep their devices charged up while they're out and about. 5.6" x 2.95" x 0.59"